staging: xillybus: Blank lines add/remove

* Blank lines between a function call and its return status check were
  removed.
* Double blank lines were removed.
* Blank lines were added and removed as to silence checkpatch.pl --strict

Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Eli Billauer <eli.billauer@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/xillybus/xillybus.h b/drivers/staging/xillybus/xillybus.h
index a0806b5ee2cb1ae18c60ecededb11feabfeb5a98..b9a9eb6d4f72fadcc0db2d4bb79e4c1d0fe56b45 100644 (file)
--- a/drivers/staging/xillybus/xillybus.h
+++ b/drivers/staging/xillybus/xillybus.h
@@ -146,7 +146,6 @@ struct xilly_mapping {
        int direction;
 };
 
-
 irqreturn_t xillybus_isr(int irq, void *data);
 
 struct xilly_endpoint *xillybus_init_endpoint(struct pci_dev *pdev,

diff --git a/drivers/staging/xillybus/xillybus_core.c b/drivers/staging/xillybus/xillybus_core.c
index 9cb4f27ad165b1f1fccef9fe879eff596330708c..30bb7acba5a5ab55a4df25846e004d65922b8def 100644 (file)
--- a/drivers/staging/xillybus/xillybus_core.c
+++ b/drivers/staging/xillybus/xillybus_core.c
@@ -185,7 +185,6 @@ irqreturn_t xillybus_isr(int irq, void *data)
 
                switch (opcode) {
                case XILLYMSG_OPCODE_RELEASEBUF:
-
                        if ((msg_channel > ep->num_channels) ||
                            (msg_channel == 0)) {
                                malformed_message(ep, &buf[i]);
@@ -333,7 +332,6 @@ static int xilly_get_dma_buffers(struct xilly_endpoint *ep,
                this_buffer = devm_kcalloc(dev, bufnum,
                                           sizeof(struct xilly_buffer),
                                           GFP_KERNEL);
-
                if (!this_buffer)
                        return -ENOMEM;
        }
@@ -365,16 +363,15 @@ static int xilly_get_dma_buffers(struct xilly_endpoint *ep,
                                dev,
                                GFP_KERNEL | __GFP_DMA32 | __GFP_ZERO,
                                allocorder);
-
                        if (!s->salami)
                                return -ENOMEM;
+
                        s->left_of_salami = allocsize;
                }
 
                rc = ep->ephw->map_single(ep, s->salami,
                                          bytebufsize, s->direction,
                                          &dma_addr);
-
                if (rc)
                        return rc;
 
@@ -436,14 +433,12 @@ static int xilly_setupchannels(struct xilly_endpoint *ep,
 
        channel = devm_kcalloc(dev, ep->num_channels,
                               sizeof(struct xilly_channel), GFP_KERNEL);
-
        if (!channel)
                return -ENOMEM;
 
        ep->channels = devm_kcalloc(dev, ep->num_channels + 1,
                                    sizeof(struct xilly_channel *),
                                    GFP_KERNEL);
-
        if (!ep->channels)
                return -ENOMEM;
 
@@ -520,7 +515,6 @@ static int xilly_setupchannels(struct xilly_endpoint *ep,
                        buffers = devm_kcalloc(dev, bufnum,
                                               sizeof(struct xilly_buffer *),
                                               GFP_KERNEL);
-
                        if (!buffers)
                                return -ENOMEM;
                } else {
@@ -867,7 +861,6 @@ static ssize_t xillybus_read(struct file *filp, char __user *userbuf,
 
                        if (channel->wr_synchronous ||
                            (offsetlimit < (buf_elements - 1))) {
-
                                mutex_lock(&channel->endpoint->register_mutex);
 
                                iowrite32(offsetlimit,
@@ -883,7 +876,6 @@ static ssize_t xillybus_read(struct file *filp, char __user *userbuf,
                                mutex_unlock(&channel->endpoint->
                                             register_mutex);
                        }
-
                }
 
                /*
@@ -894,7 +886,6 @@ static ssize_t xillybus_read(struct file *filp, char __user *userbuf,
 
                if (!channel->wr_allow_partial ||
                    (no_time_left && (bytes_done == 0))) {
-
                        /*
                         * This do-loop will run more than once if another
                         * thread reasserted wr_sleepy before we got the mutex
@@ -1104,7 +1095,6 @@ static int xillybus_myflush(struct xilly_channel *channel, long timeout)
        if (timeout < 0)
                goto done; /* Autoflush */
 
-
        /*
         * bufidx is now the last buffer written to (or equal to
         * rd_fpga_buf_idx if buffer was never written to), and
@@ -1181,7 +1171,6 @@ static void xillybus_autoflush(struct work_struct *work)
        int rc;
 
        rc = xillybus_myflush(channel, -1);
-
        if (rc == -EINTR)
                dev_warn(channel->endpoint->dev,
                         "Autoflush failed because work queue thread got a signal.\n");
@@ -1449,7 +1438,6 @@ static int xillybus_open(struct inode *inode, struct file *filp)
        channel = endpoint->channels[1 + minor - endpoint->lowest_minor];
        filp->private_data = channel;
 
-
        /*
         * It gets complicated because:
         * 1. We don't want to take a mutex we don't have to
@@ -1510,7 +1498,6 @@ static int xillybus_open(struct inode *inode, struct file *filp)
                goto unlock;
        }
 
-
        if (filp->f_mode & FMODE_READ) {
                if (channel->wr_ref_count == 0) { /* First open of file */
                        /* Move the host to first buffer */
@@ -1587,7 +1574,6 @@ static int xillybus_release(struct inode *inode, struct file *filp)
                channel->rd_ref_count--;
 
                if (channel->rd_ref_count == 0) {
-
                        /*
                         * We rely on the kernel calling flush()
                         * before we get here.
@@ -1607,7 +1593,6 @@ static int xillybus_release(struct inode *inode, struct file *filp)
                channel->wr_ref_count--;
 
                if (channel->wr_ref_count == 0) {
-
                        iowrite32(1 | (channel->chan_num << 1) |
                                  (5 << 24),  /* Opcode 5, close channel */
                                  channel->endpoint->registers +
@@ -1672,6 +1657,7 @@ static int xillybus_release(struct inode *inode, struct file *filp)
 
        return 0;
 }
+
 static loff_t xillybus_llseek(struct file *filp, loff_t offset, int whence)
 {
        struct xilly_channel *channel = filp->private_data;
@@ -1901,7 +1887,6 @@ static void xillybus_cleanup_chrdev(struct xilly_endpoint *endpoint)
                 endpoint->num_channels);
 }
 
-
 struct xilly_endpoint *xillybus_init_endpoint(struct pci_dev *pdev,
                                              struct device *dev,
                                              struct xilly_endpoint_hardware
@@ -2020,12 +2005,10 @@ int xillybus_endpoint_discovery(struct xilly_endpoint *endpoint)
        endpoint->num_channels = 1;
 
        rc = xilly_setupchannels(endpoint, bogus_idt, 2);
-
        if (rc)
                goto failed_idt;
 
        rc = xilly_obtain_idt(endpoint);
-
        if (rc)
                goto failed_idt;
 
@@ -2040,7 +2023,6 @@ int xillybus_endpoint_discovery(struct xilly_endpoint *endpoint)
        rc = xilly_setupchannels(endpoint,
                                 idt_handle.chandesc,
                                 idt_handle.entries);
-
        if (rc)
                goto failed_idt;
 
@@ -2054,7 +2036,6 @@ int xillybus_endpoint_discovery(struct xilly_endpoint *endpoint)
        mutex_unlock(&ep_list_lock);
 
        rc = xillybus_init_chrdev(endpoint, idt_handle.idt);
-
        if (rc)
                goto failed_chrdevs;